Dec. 12, 2018 9:12 AM PT10:12 AM MT11:12 AM CT12:12 PM ET17:12 GMT1:12 10:12 AM MST11:12 AM CST12:12 PM EST11:12 AM CT21:12 UAE12:12 ETNaN:� - Callahan has been placed on injured reserve after breaking his foot in the Bears' Week 14 win over the Rams.Analysis: Callahan is one of the league's better slot corners and has started 10 of Chicago's 13 games. Special teams ace Sherrick McManis is in line to take over that role but likely represents a downgrade.